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Sometimes you may see vertical streaks/black lines on the faxes you receive. Either your FAX/MFC's primary corona wire for printing may be dirty, or the sending party's fax scanner may be dirty. Clean your primary corona wire (see pages 13-18), or ask the sender to make a copy to see if the problem is with the sending machine. Cleaning the Drum Unit We recommend you place the drum unit on a drop cloth or large piece of disposable paper to avoid spilling and scattering toner. 1 Carefully turn the drum unit upside down. 2 Clean the primary corona wire inside the drum unit by gently sliding the tab from right to left several times. 3 Return the tab to the Home position ( ) before reinstalling the drum unit.
Sometimes you may see vertical streaks/black lines on the faxes you receive. Either your machine's primary corona wire for printing may be dirty, or the sending party's fax scanner may be dirty. Clean your primary corona wire. I recommend placing the drum unit on a drop cloth or large disposable paper to avoid spilling and scattering toner. 1. Clean the primary corona wire inside the drum unit by gently sliding the tab from right to left several times. 2. Return the tab and snap it into the Home position, (Caution: If the tab is not at the Home position, printed pages may have vertical stripes). 3. Reinstall the drum unit into the machine. 4. Close the front cover. 5. Plug in the power cord first, and then plug in the telephone cord. or ask the sender to make a copy to see if the problem is with the sending machine. Try receiving from another fax machine. If the problem continues, call Brother Customer Service at: 1-800-284-4329 (in USA) or 1-877-BROTHER (in Canada).
(2) All black At the scanner
Check the following components:
- CIS harness
- CIS unit
- Main PCB
At the printer side
Clean the high-voltage contacts for the grid and charger on the
drum unit, main cover, and high-voltage power supply PCB.
(Contacts and in the illustration given on page 6-28)
Clean the charger (corona wires) itself.
Check the connection of the laser flat cable on the main PCB.
Replace the drum unit.
Replace the high-voltage power supply PCB.
Replace the main PCB.
the scanner is located under the control panel. lift up control panel and look for a thin piece of glass that runs left to right. that glass may have white out or some other foriegn material on it, however, this will only clean up lines on SENT faxes and copies. if you're getting lines on received faxes, your problem would most likely reside in your drum unit.
the scanner will give you problems only when you send not receiving or incomings, it sounds like your corona wire and the grid needs to be clean this is part of the drum unit with a cute tip (you will need more than one) pull out the image unit and toner it's two pieces in one. you can clean the corona wire (corona wire is the thin wire that charge the drum unit with a positive charge located at the center of the drum unit and is thinner than a human hair and under that you will see the grid make sure all that section is cleaned. if you have compress air will help)
in my opinion you whent to far trying to check some other things that are not necesary.
hope this will help
any other questions please let me know.
I bet your incoming pages are clean right? The Laser is not used for outgoing faxes. Lift up your document feeder and clean the scanner glass that the documents are scanned across
If I understand you right, what you send, people are receiving blank sheets? When you try to run a copy are those blank also?
If so your problem is with the scanner. The drum should have nothing to do with sent faxes.
Unless your putting the paper in the scanner upside down. And if you ran it enough to need a drum I can't imagine that .
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